.tabbar {
    position: fixed;
    left: 0;
    bottom: 0px;
}

.lan{
    width: 100%;
    font-size: 16px;
    display: flex;
    height: 60px;
    justify-content: center;
    background-color: #ffffff;
}

.container {
    flex-direction: column;
    justify-content: flex-start;
}